I'm currently playing mostly with a Mage deck that is close to Trump's Free Mage deck, with a few differences due to cards I don't have yet and didn't want to craft so far. The deck works pretty well for me, but it still seems rather weak against rush decks.
I just started keeping statistics of my games and all my recent losses are against Hunters or Warlocks. The last game I was completely trashed by a Murloc deck.
So I'm wondering how I should change my deck to make it less vulnerable against aggro decks. I've quite a few ideas, but I don't want to weaken the deck too much against control decks.
I'm interested both in general principles on how to make a deck less vulnerable to aggro decks and specific cards that are good against aggro and would fit well into my deck.
My current deck is